Key chain lighting device



FIG. 1 is a front perspective view of one embodiment of a key chain lighting device;

FIG. 2 is a back perspective view of the key chain lighting device of FIG. 1;

FIG. 3 is a front view of the key chain lighting device of FIG. 1;

FIG. 4 is a back view of the key chain lighting device of FIG. 1;

FIG. 5 is a left view of the key chain lighting device of FIG. 1;

FIG. 6 is a right view of the key chain lighting device of FIG. 1;

FIG. 7 is a top view of the key chain lighting device of FIG. 1; and,

FIG. 8 is a bottom view of the key chain lighting device of FIG. 1. 

The ornamental design for the key chain lighting device, as shown and described. 